Home / 250,343.84-345,506.64-142,889.24

Finding the Fourth Proportional to 250,343.84, 345,506.64 and 142,889.24

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Solution

The fourth proportional to 250,343.84, 345,506.64 and 142,889.24 is: 197,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,343.84 : 345,506.64 = 142,889.24 : x
  2. Step 2: Convert to fraction form
    250,343.84/345,506.64 = 142,889.24/x
  3. Step 3: Cross multiply
    250,343.84x = 345,506.64 × 142,889.24
  4. Step 4: Simplify right side
    250,343.84x = 49,369,181,204.55
  5. Step 5: Solve for x
    x = 49,369,181,204.55/250,343.84
  6. Step 6: Final answer
    x = 197,205.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.